SUMMARY

• Around 6 years of IT experience in analysis, design, development, documentation, implementing and testing of software systems in Java/J2EE and Internet technologies.
• Expert in Various Agile methodologies like SCRUM, Test Driven Development (TDD), Incremental and Iteration methodology, Pair Programming, Agile Development & Testing using Software Development Life Cycle.
• Expertise in Web application development using JavaScript, AJAX, HTML, DHTML, CSS, jQuery, Bootstrap, Sass/Less, Angular 2/4/5/6/7, and experience in UI frameworks JavaScript, Node.js, React.js, Angular.js and experience in Client - side validations.
• Hands on experience in JSON, HTML, CSS, Tiles, Tag Libraries and UI frameworks - Twitter Bootstrap, Materialize CSS.
• Experience in building applications using various technologies like Spring, Hibernate, EJB and JPA.
• Strong experience in Spring modules -Spring MVC, IOC, AOP, JDBC, JTA, IO, Spring Boot, Spring Microservices, Spring REST, Spring Eureka, Spring Ribbon, Netflix Zuul API.
• Implemented various Design patterns (Session Façade, Value Object, DAO, DTO, Command, Singleton, Factory, Adapter, MVC, Service Locator etc.) using J2EE technologies.
• Strong understanding of Microservice patterns - Hystrix, Aggregator, Proxy chaining.
• Experience with Spring JDBC Templates, JMS Templates, Spring EAI, Spring Rest Templates.
• Experience in implementing SOA and Web Services using SOAP, RESTFUL, JAX-WS, AXIS.
• Expertise in the implementation of Core Java concepts of Java, J2EE Technologies: JSP, Servlets, JSF, JSTL, EJB transaction implementation (CMP, BMP, Message-Driven Beans), JMS, Struts, Spring, Swing, Hibernate, Java Beans, JDBC, JNDI, Multi-Threading, Data structures etc.
• Proficient in using Amazon Web Services AWS. Extensive experience in focusing on services like EC2, VPC, Cloud Watch, Cloud Front, IAM, S3, Amazon RDS, Elastic Search, Elastic Cache, SNS, SQS.
• Experience with Docker containers, AMI's to create Docker images/ containers.
• Experience with build tools like CICD-ANT, Maven, Jenkins, and logging tools like Log4J.
• Used Version Control like CVS, SVN (Subversion) and Clear Case. good experience with messaging systems like Kafka event sourcing and experience in creating rules using Business Rules Engines: Drools, ILOG.
• Experience with IBM WebSphere, Oracle/BEAWebLogic, JBoss and Tomcat.
• Experience with Imaging/Document Storage tool: Case 360 and IBM DB2 Content Manager.
• Experience in database modelling, design and development of PL/SQL stored procedures, packages in relational databases: Oracle 10g/11g/12c, IBM DB2, MySQL, SQL Server 2008/ 2012/2015/2016 .
• Knowledge on NOSQL database MongoDB, Cassandra as part of Open Source participation.
• Good knowledge of Spark and Hadoop Architecture and various components such as HDFS, YARN, Name Node, Data Node and MapReduce concepts and Spring Yarn terminology and the High-Availability of Hadoop Clusters.
• Have good experience on using GIT, Bitbucket, SVN and CVS for project management and version management.
• Good experience in unit testing using Karma, Jasmine and JUnit, Automated Testing using Java, Junit/TestNG, Selenium (IDE/Web driver), Integration Testing using Continuum, Selenium, Jenkins and Apache camel.
• Excellent written and verbal communication skills, Analytical, Problem Solving skills, strict attention to detail and ability to work independently, lead/work within a team environment.

TECHNICAL SKILLS

Languages: Java 1.8, J2EE, Drools, SQL, PL/SQL

Frameworks: Spring 4.3, Hibernate 4.3, Angular.js, Spring Security, Spring MVC, Spring Boot, Spring Data, Spring Cloud, Spring Eureka, Spring AOP.

Design Patterns: Singleton, DTO Pattern, DAO Pattern, Delegate Pattern, Service Facade, Factory Pattern, Front Controller Pattern, MVC Pattern.

Web servers: Apache Tomcat, IBM WebSphere 8.x/9.x, JBOSS and BEA WebLogic

Scripting Languages: JavaScript, Python.

Web Service: SOAP, RESTFUL, POSTMAN, WSDL, JAX -WS, JAX -RPC, REST, XML, XSD

Internet/Web Technologies: HTML/HTML5, JavaScript 1.8, XML, JSON, CSS/CSS3, Angular 2/4/5/6/7, Node.js 6.0, React.js, DHTML, Ajax, jQuery, JavaBeans, API, Servlet, EJB, JNDI, XML, XSLT and XSD

Database: Oracle 9i/11g/12c, MySQL, NoSQL, SQL Server 2012/2015/2016, Cassandra, MS Access and MongoDB

Operating Systems: Windows Pro, 7/XP/ 2000/2008/10, Linux, Unix, Mac.

Build tools: ANT, Maven, Gradle, Jenkins.

Cloud: Azure, AWS, Netflix Eureka, Mesos, Kubernetes, Docker.

IDE: Eclipse, IntelliJ IDEA 2017.1, Spring Tool Suite (STS) 3.8.3, WebStorm

Methodologies: Agile, Waterfall, TDD (Test-Driven-Development), Scrum, Kanban

Testing tools: JUNIT, JMeter, Mockito, TestNG, Selenium, Jasmine, Karma

Version control tools: Git, TFS, CVS and Bitbucket.

Messaging: JMS MQ, IBM MQ, Rabbit MQ, IBM MQ 8.0, Apache Kafka

PROFESSIONAL EXPERIENCE

Sr. Java/ J2EE Full Stack Developer

Confidential, Washington, DC

Responsibilities:

• Involved in analysis, design, and implementation and testing phases of SDLC through Agile Methodology.
• Java8 and new features of java (lambda expressions).
• Experience in web Designs which includes HTML5, XHTML, XML, CSS3, JavaScript, jQuery.
• Design and developed the application using framework Angular 7 with HTML5, CSS3 and Typescript.
• Developed UI components using Angular 7 dependency Injection, Models, data binding and controllers.
• Implemented Angular 7 Router to enable navigation from one view to next as agent performs application tasks.
• Experience with Responsive Web Design, Bootstrap and Play grid framework.
• Worked on creating WAR/EAR files from maven and deployed them on Apache Tomcat.
• Developed various generic JavaScript, Angular functions to implement client-side validations.
• Developed the Application using design Singleton, Factory, DAO, DTO prototype and Composite View.
• Implemented Java SE8 features like Lambda, Streams and Predicates to reduce the line of code and better functionality in the Service Layer of the application.
• Developed Microservices with Spring Eureka to retrieve API routes for the entire cluster. Using this strategy each Microservice in a cluster can be load balanced and exposed through one API gateway.
• Developed Spring Restful/ Microservices and implemented Spring Eureka, Netflix, Ribbon as part of Services Discovery using Apache Axis and used Microservice architecture with Spring Boot based services interacting through a combination of REST and Apache Kafka message brokers.
• Involved in implementing Spring Netflix fault tolerance library to prevent failure from cascading failures.
• Used Spring Security for session fixation, click jacking, cross site request forgery.
• Extensively used various Spring Framework Modules Spring Boot, Spring Security, Spring Data and AOP.
• Implemented the associated business modules integration using spring and Hibernate data mapping.
• Implemented Object-relation mapping using Hibernate framework to fetch the data from Oracle 11g/12c database.
• Developed Mongo DB Data Access Layer implementing Mongo Repository interface from Spring Data.
• Used Streams and Lambda expressions.
• Implemented Spring MVC flow to interact with different modules and extensively used Spring AOP and Dependency injection during various modules of project.
• Developed several REST web services which produces JSON to perform tasks, leveraged by mobile applications.
• Experience in Updating, Modifying queries in Oracle 11g.
• Developed batch processing using Spring Batch in the persistence layer & improved performance of batch processes using Multithreading with Executor Framework for control of asynchronous tasks in parallel threads.
• Worked on creation of custom Docker container images, tagging, pushing images, integration of Spring boot.
• Created the Docker containers and Docker consoles for managing the application life cycle.
• Developed Maven scripts and developed builds using Maven and continuous integration servers like Jenkins.
• Resolved bugs/defects by coordinating with team members to assure a positive outcome using Jasper.
• Using GIT for Source Control and Version Management and using log4j for logging.

Environment: Java 8, Angular 7, HTML5, CSS3, JSON, JavaScript, Hibernate, Spring 4.x, Spring JPA, Spring boot, Spring cloud, Spring Security, Spring MVC, Microservices, Mongo DB, Oracle 11g/12c, IntelliJ IDEA, Git, Azure, Docker, RESTful web services, Apache Tomcat, Apache Kafka, Maven, Jenkins.

Java/J2EE and Full Stack Developer

Confidential, Alexandria, VA

Responsibilities:

• Involved in Agile methodology software development lifecycle involves - coding, testing and debugging.
• Created front-end user interfaces with React.js by creating many components and modules.
• Design patterns are extensively used to achieve the clean separation of different layers. Used different patterns like Adapter, Singleton, Factory, Abstract Factory, MVC, DAO and Service Locator, Facade.
• Experience with Microservices (containers, load balancing, distributed cache) by using Spring Ribbon.
• Designed many front-end pages of the application using HTML5, CSS-LESS, Bootstrap 4.0, AJAX.
• For client-side view rendering services, used React JS and various predefined Redux libraries.
• Used Redux-Store and Redux-Reduce for holding the state tree of the application.
• Implemented Node.js as a server-side proxy for an event-driven model.
• Involved to implement various screens for the front end using React.js and used various predefined components from NPM (Node Package Manager) and redux library.
• Developed the application using Spring Framework to achieve Dependency Injection for loose coupling, modularity, easy unit testing and Building cloud microservices and implementing back-up using Spring Boot.
• Implemented crosscutting concerns using Spring AOP and data base security using Spring Security technologies like JWT (Json Web Tokens).
• Customized and simplified Open Stack dashboard services using REST API and Implemented RESTful service using WADL (Web Application Description Language) for modelling the resources provided by the services and relationships between them.
• Used Rabbit MQ to have a synchronous messaging service to deploy into cloud.
• Efficiently implemented platform as service technologies like Pivotal Cloud Foundry (Pivotal Application Service, Container Service and Functional Service).
• Near-real time data stream processing workflow developed using Apache Kafka and Apache Flume.
• Worked with Cassandra Node Connector for database persistent to interact with Cassandra DB.
• Hibernate ORM framework is used to make connections with MY SQL Database.
• Experience in Migrating Data to Oracle database
• Documented APIs using OpenAPI Specification.
• Used SQL extensively in command objects of Crystal reports.
• Used Maven as a build tool and retrieved all the dependencies required for the application.
• Used Subversion for version control and log4j for logging errors.
• Testing for Node.js is done using Mocha and Chai and for spring boot used Mockito, JUnit, Mock MVC and thereby achieved Test Driven Development.
• Behavioral and integration testing is done using Cucumber and Selenium testing tools.

Environment: HTML 5, CSS 3, Bootstrap, Angular 2/4+, JavaScript, JSON, React.js, Maven 3.0, Spring Framework 4.0, Spring MVC, Spring IOC, Spring Boot, Spring Data, Hibernate 4.x, Restful Web Services, Microservices, WebLogic Application Server, Amazon Elastic Beanstalk, S3, Soap UI, IBM Lombardi, Jenkins, Git, Python, Django, jQuery, DOM, JAX-RS, Junit 4.4, Log4j, OpenAPI, Apache Kafka, MongoDB, Oracle, Agile Scrum.

Java/ J2EE Full Stack Developer

Confidential, San Francisco, CA

Responsibilities:

• Involved in the design and development phases of Agile Software Development.
• Developed the application using 3 Tier Architecture i.e., Presentation, Business and Data Integration layers in accordance with the customer/client standards.
• Automate report generation in MongoDB using JavaScript, shell scripting, java.
• Implemented printable chart report using HTML5, CSS3 and jQuery.
• Applied JavaScript for client-side form validation.
• Developed single page responsive Web UI using HTML5, Angular.js, Bootstrap, CSS3, JavaScript, jQuery.
• Developed views controller and model components implementing JavaScript MVC.
• Developed Java Beans and Custom Tag Libraries providing client-side validations in JavaScript and providing interactive front-end GUI using AJAX.
• Designed and developed Prototype module using Angular.js and Ext.js, implemented Pagination, and Data grid added additional functionality for Data grid.
• Used Spring Core Annotations for Dependency Injection Spring DI and Spring MVC for REST API s.
• Used Oracle as database and involved in the development of PL/SQL backend implementation.
• Created web application prototype using jQuery and Angular.js
• Developed automated solutions to include web interfaces using HTML, CSS, JavaScript and Web services.
• Written Web Services (JAX-WS) for external system via SOAP/HTTP call.
• Created Responsive Layouts for multiple devices and platforms using foundation framework.
• Worked on UNIX, LINUX to move the project into production environment.
• Hibernate an ORM framework was used on DAO layer to persist application data into Oracle database.
• Developed Hibernate with Spring Integration as the data abstraction to interact with the database.
• Involved in developing SQL queries, stored procedures, and functions.
• Extensively used the Spring framework implemented upon the MVC design pattern.
• Implemented Hibernate for Database Transactions on DB2.
• Involved in the configuration of Spring Framework and Hibernate mapping tool.
• Creation of Connection Pools, Data Sources in WebLogic console.
• Used Log4j framework to log/track application.
• Creating and build scripts using Ant for deployment Tested and implemented application on WAS server.
• Installed, maintained and fine-tuned the Tomcat server and WebSphere Application Server in Linux Platform.
• Experienced in build, deploy multi module applications using Maven, ANT and CI servers like Jenkins.

Environment: FileNet, IBM RAD 6.0, Java 1.5, JSP, Servlets, Spring Framework, Spring MVC, Spring IOC, Spring Boot, Microservices, Hibernate, JSF, ICE Faces, Hibernate, HTML, CSS, JavaScript, Angular2, UNIX, Web Services- SOAP, WAS 6.1, XML, IBM WebSphere 6.1, Rational Clear Case, Log 4j, IBM DB2.

Java/J2EE Developer

Confidential, Herndon, VA

Responsibilities:

• Involved in various phases of Software Development Life Cycle (SDLC) of the application like Requirement gathering, Design, Analysis and Code development.
• Designed the UML diagrams based on the OOAD principles.
• Developed the application under J2EE architecture using JSP, Struts, spring, JavaBeans, and iBATIS.
• Worked on various use cases in development using Struts and testing the functionalities.
• Used AJAX in user validation and suggestion list and to display dialog boxes.
• Involved in preparing the High Level and Detail level design of the system using J2EE.
• Sever side validations are done using Struts Validator Plug-In.
• Created struts form beans, action classes, JSPs following Struts framework standards.
• Developed Web Interface using Struts, Java Script, HTML and CSS.
• Developed presentation screens by using JSP, HTML and JavaScript.
• Involved in the development of model, library, struts and form classes (MVC).
• Used Spring Framework and created the Dependency injection for the Action classes using Application Context.
• Developed the Business logic on the web tier using EJB Stateless Session beans.
• Worked on MQ with J2EE technologies on the WebSphere MQ.
• Used display tag libraries for decoration and used display table for reports and grid designs.
• Worked on core java, using file operations to read system file (downloads) and to present on JSP.
• Developed an API to get the Service Level Validations from SAM.
• Developed a RESTful service to provide all the CRUD capabilities.
• Analyzed, designed and implemented DAO pattern for accessing Database using connection pool.
• Used PL/SQL stored procedures for applications that needed to execute as part of a scheduling mechanisms.
• Involved in configuration of XML flat file and parsing the XML file using the SAX Parser.
• Used Rational Clear Case for version control and JUnit for unit testing.
• Provided troubleshooting and error handling support in multiple projects.
• Worked on Reconciliation, which involves in providing root cause analysis and data fixes.
• Configured WebSphere Application server and deployed the web components.
• Used VSS for version control and source code management.
• Extensively involved in designing UI, reporting and specification documentation.
• Responsible for the user module, setting rights and permission to users through the keywords set with database and testing.

Environment: JDK1.5, JSP, JSF, Struts, iBATIS, Spring, HTML, JavaScript, AJAX, CSS, XML, EJB, PL/SQL, IBM WebSphere Application server 5, Mule ESB, JUnit, Web Services (JAX-WS), VSS, SAX Parser, Oracle 9i.

Java Developer

Confidential

Responsibilities:

• Developed presentation screens by using JSP, HTML and JavaScript.
• Implemented Model View Controller (MVC-2) architecture and developed Form classes, Action Classes for the entire application using Struts Framework and used for server side validation.
• Performed client side validations using JavaScript.
• Used Hibernate Annotations to reduce time at the configuration level and accessed Annotated bean from Hibernate DAO layer and used HQL statements and procedures to fetch the data from the database.
• Transformed, Navigated and Formatted XML documents using XSL, XSLT.
• Used JMS for asynchronous exchange of message by applications on different platforms.
• Developed the view components using JSP, HTML, Struts Logic tags and Struts tag libraries.
• Involved in designing and implementation of Session Facade, Business Delegate, Service Locator patterns to delegate request to appropriate resources.
• Involved in developing SQL queries, stored procedures, and functions.
• Creation of database objects like tables, views using oracle tools like Toad, and SQL* plus.
• Involved in writing Stored Procedure in using PL/SQL.
• Used JUnit Testing Framework for performing Unit testing.
• Deployed application in Tomcat and developed using Rational Application Developer RAD.

Environment: Java, Struts, Hibernate, Servlets, JSP, JMS, CVS, JavaScript, XSL, XSLT, PL/SQL, Junit, Tomcat, Oracle 9i.